[lttng-dev] Test pid_ns in local build

[Franz_Polzer@mentor.com (Polzer, Franz)]

Hi Michael,

Many thanks for your help!

Is there any schedule bringing that feature into LTTng master?

Thanks and br,
Franz

-----Original Message-----
From: lttng-dev [mailto:lttng-dev-bounces@lists.lttng.org] On Behalf Of Michael Jeanson
Sent: Dienstag, 17. September 2019 16:06
To: lttng-dev at lists.lttng.org
Subject: Re: [lttng-dev] Test pid_ns in local build

On 2019-09-17 4:03 a.m., Polzer, Franz wrote:
> Hello,
> 
> I wanted to give the pid_ns context tracing a try and built LTTng from 
> master, but I get the following error when applying this command:
> 
> lttng add-context -k -t procname -t pid -t vpid -t tid -t vtid -t 
> pid_ns
> 
> Error: Unknown context type pid_ns
> 
> Maybe I need another branch to build from to get that feature in or 
> forgot to enable the feature during building?
> 
> Where can I find documentation about the pid_ns tracing and how to 
> test the current version of that implementation?
> 
> Thanks for your help and best regards,
> 
> Franz


Hi,

The namespace statedump and contexts feature has not been merged in master yet. You can get it from my github in the "ns" feature branches.

https://github.com/mjeanson/lttng-modules/tree/ns
https://github.com/mjeanson/lttng-ust/tree/ns
https://github.com/mjeanson/lttng-tools/tree/ns

It's a bit out of date but should work as-is, or it can be easily rebased on current master branches.


Cheers,

Michael
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